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164125510 = 25149910949
BaseRepresentation
bin10011100100001…
…01101101000110
3102102211102212121
421302011231012
5314004004020
624141440154
74032021013
oct1162055506
9372742777
10164125510
118470aa1a
1246b7005a
13280064b3
1417b2470a
15e61ebaa
hex9c85b46

164125510 has 16 divisors (see below), whose sum is σ = 295650000. Its totient is φ = 65600416.

The previous prime is 164125499. The next prime is 164125513. The reversal of 164125510 is 15521461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164125513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9516 + ... + 20464.

It is an arithmetic number, because the mean of its divisors is an integer number (18478125).

Almost surely, 2164125510 is an apocalyptic number.

164125510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164125510 is a deficient number, since it is larger than the sum of its proper divisors (131524490).

164125510 is a wasteful number, since it uses less digits than its factorization.

164125510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 164125510 is about 12811.1478798740. The cubic root of 164125510 is about 547.5099669446.

Adding to 164125510 its reverse (15521461), we get a palindrome (179646971).

The spelling of 164125510 in words is "one hundred sixty-four million, one hundred twenty-five thousand, five hundred ten".

Divisors: 1 2 5 10 1499 2998 7495 10949 14990 21898 54745 109490 16412551 32825102 82062755 164125510